Trust the curing times shown on the can! We ended up doing our garage epoxy floor in the middle of summer when it was 90+ degrees outside. I looked at the time it would take the epoxy to cure and found that we should have plenty of time to get it all down thinking those were probably conservative approximations anyway. Well it turns out they are not, and once the epoxy starts setting up it is game over. You are not getting any further with that bucket of epoxy. We were able to rush and get that portion finished before it had basically cured into a block in our paint tray.